Windows Instal Tancamentshigh energy efficiency
Make the leap to the latest thermal insulation technology at an incredible price
To meet our commitments, we only work with the best providers.
How much does your PVC window cost?
Calculate the exact price of your window in less than 30 seconds. Enter the measurements, colour and glass type — and get your quote instantly, no waiting or calls.
- Real price, not estimated
- Installation included in the price
- Confirm via WhatsApp in 1 click
PVC window price calculator — free and no registration
Our most efficient window
when you know what you need, choosing well is easy.
If you already know that choosing an inefficient window is a mistake, it's time to take the step towards something better.
- Advanced thermal insulation.
- Prevents energy loss and improves the comfort of your home 365 days a year.
- Smart solar treatment.
- Controls the entry of light and heat to always maintain a balanced environment.
- Guaranteed durability and reliability.
- Windows designed to last, without losing performance over time.
Request your quote via WhatsApp
Our virtual assistant is available 24/7. Just send a few photos and approximate measurements and we'll give you a quick, no-obligation quote.
Contact
Contact us
Do you have a question? Need a personalised quote? We're here to help.
About Us
Experts in high efficiency windows
At Instal Tancaments we have been transforming homes for over 20 years with innovative window and enclosure solutions.
- Superior Quality
We work with the best materials and suppliers in the market to guarantee excellence in every installation.
- Experience
More than two decades of experience endorse us as experts in the aluminium and PVC carpentry sector.
- Personalised Service
Each project is unique. We adapt to your specific needs to offer you the best solution.
- Constant Innovation
Always at the forefront of the latest technologies in energy efficiency and design.
Our Team
A team of highly qualified professionals committed to excellence and customer satisfaction.
Our window features
Choose the one that best suits you
EcoPrime 700
The basic window without extras that increase the price.
| Frame | 70 mm |
| Triple Seal | |
| Thermal transmittance Uf | 1,4 W/m2 K |
| Chamber | 16 mm |
| Triple Glazing | |
| Thermal Treatment | |
| Solar Treatment |
| High-density foam | |
| PVC clip-on trim |
| Aenor Profile Seal | |
| Aenor Window Seal | |
| 10-year colour warranty |
EcoPrime 760
A window with improved efficiency.
| Frame | 76 mm |
| Triple Seal | |
| Thermal transmittance Uf | 1,1 W/m2 K |
| Chamber | 20 mm |
| Triple Glazing | |
| Thermal Treatment | |
| Solar Treatment |
| High-density foam | |
| PVC clip-on trim |
| Aenor Profile Seal | |
| Aenor Window Seal | |
| 10-year colour warranty |
EcoPrime 820
The best option in insulation and performance.
| Frame | 82 mm |
| Triple Seal | |
| Thermal transmittance Uf | 1,0 W/m2 K |
| Chamber | 2 X 16 mm |
| Triple Glazing | |
| Thermal Treatment | |
| Solar Treatment |
| High-density foam | |
| PVC clip-on trim |
| Aenor Profile Seal | |
| Aenor Window Seal | |
| 10-year colour warranty |
FAQ
Frequently Asked Questions
Do I need to be registered at the property to get the grant?
Yes, registration at the property is an essential requirement.
Can tenants access the grants?
Yes, tenants must present a registration certificate and agreement with the property owner.
Can VAT be counted as a subsidisable expense?
Yes, for individuals, VAT is generally counted as a subsidisable expense.
What is the deadline to complete the works?
12 months from the date the grant is awarded. Check current deadlines in your region.
What is the NextGen tax deduction?
Up to 20% of the cost (max €5,000) can be deducted in your income tax return.
Can processing and management costs be deducted?
Yes, management costs, professional fees, project drafting and certificates are all subsidisable.
Blog
Guides and tips about windows
Everything you need to know before replacing the windows in your home.
21 February 2026
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